Web我遇到了一个 基本的 自旋锁互斥锁的问题，似乎没有按预期工作。 个线程正在递增受此互斥锁保护的非原子计数器。 结果与使互斥体看起来破碎的预期结果不匹配。 示例输出： 在我的环境中，它发生在以下条件下： flag是std::atomic lt bool gt ，其他任何东西，比 … Webstd::mutex with unique lock and lock guard c++11. Mutex (mutual exclusion): It provides the concurrent access to resource. In other word, It prevent other thread from locking a …
C++-unique_lock与lock_guard区别 - Theseus‘Ship - 博客园
WebApr 26, 2024 · To ease the pain of manually locking and unlocking, C++11 provides lock objects like std::lock_guard. std::lock_guard ’s job is simple: it locks a given mutex at construction and unlocks it upon destruction. As long as the std::lock_guard object lives, it is guaranteed that the mutex is locked. WebFeb 3, 2024 · namespace { using unique_lock = std::unique_lock; using lock_guard = std::lock_guard; } Instead of implementing your own comparator, you could just use std::greater (if available). You're using cout, vector, endl, and priority_queue without namespace. Any chance you're using using namespace std;? colluded artery
C++11のThreadを使ってRead-Write Lockパターン - Qiita
WebOct 22, 2024 · std::lock_guard lock_guard_name (raw_mutex); #include #include std::mutex door; // mutex declaration std::vector v; {... WebC++ std::lock_guard lock {mutex_}; Previous Next This tutorial shows you how to use recursive_mutex . recursive_mutex is defined in header mutex . provides mutual exclusion facility which can be locked recursively by the same thread recursive_mutex can be used in the following way: WebApr 11, 2024 · unique_lock更加灵活，因为它要维持mutex的状态，但也因此对于资源的消耗明显要大一些，同时效率也比lock_guard更低一点。. lock_guard虽然笨重一些,但是资 … dr roshelle chan